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Each planet is attracted by the Sun's gravity.
A planet has its own forward speed, which causes it to tend to travel at constant speed in a straight line. The Sun's gravity pulls at right angles to the planet's forward speed, causing it to curve towards the Sun all the time.
Isaac newton proved that the curvature in the path followed is equivalent to acceleration towards the centre of curvature - the Sun in this case. He also proved that the amount of acceleration (curvature) is exactly explained by the law of gravity and the laws of motion.
Wiki User
∙ 9y ago
Wiki User
∙ 8y agoThe same way it affects any masses - masses attract one another.In the case of planets, (1) it keeps them in orbit around the Sun; (2) planets will affect the orbit of other planets; they can gradually change them.
Wiki User
∙ 8y agoGravity is responsible for ...
-- pulling a cloud of miscellaneous material together
to form a planet,
-- forming it into a spherical shape,
-- holding an atmosphere onto the planet,
-- keeping water or any other liquid on the planet's surface,
-- causing the planet to orbit anything else, such as a star,
-- causing anything else, such as a moon or a TV satellite, to orbit a planet.
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How does Earth's gravity affect the planets?
The effect is very small.
How did the planets affect the human lives?
The planets have constant effects on human lives despite the inability to see the majority by human eye. The planets alter weather, gravity, daylight, and many other aspects.
Are all planets held by a force called gravity?
Not all of the planets are held by gravity.
Why is why is there gravity on some planets but not on others?
There is gravity on all planets. The strength of that gravity varies depending on the size and mass of each planet.
Why do all the planets have different fields of gravity?
Gravity is a function of mass. All the planets have different mass, so different gravity.
What is gravity and how does it affect planets and the oceans?
gravity is something that can affect the planets.
What are the planets that affect gravity?
every planet
How does gravity affect the galaxy?
Gravity holds everything together in the galaxy. (planets)
Does gravity affect your weight on different planets?
yes it does
What affect does gravity have on the planets?
The planets' own gravity has made them spherical. Also there are other effects such as their ability to retain an atmosphere, etc. The Sun's gravitycauses the orbits of the planets.
How does Earth's gravity affect the planets?
The effect is very small.
How does gravity affect the motion of objects on planets orbiting the earth?
You know that no planets actually orbit the earth right? ...?
How does gravity affect object of different mass?
Depending on the greater or less the mass is gravity's affect on the object is not applicable as gravity is a never ending motion which does nothing but keep objects intact on planets.
How does the force of gravity affect the direction of motion of the planets?
earths rotation around the sun
How does gravity affect the other planets in the solar system?
"Gravity" is responsible for the existence of planetary orbits, and for their shapes and periods. It's also the reason for the spherical shapes of the planets, and for the existence of atmospheres, in the case of those planets that have any.
How does gravity affect the stars moon an planets?
Gravity keeps the planets in orbit around the sun and the stars and the stars in orbit around the center of the galaxy. Gravity also holds the stars together against their own internal pressure.
Where do the planets get gravity?
Planets have gravity because they have mass.
